The Monitor Beryllium Deposit is a beryllium mine located in Juab county, Utah at an elevation of 4,810 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 4,810 Feet (1,466 Meters)
Commodity: Beryllium
Lat, Long: 39.72056, -113.21917
Map: View on Google Maps
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Monitor Beryllium Deposit MRDS details
Site Name
Primary: Monitor Beryllium Deposit
Commodity
Primary: Beryllium
Secondary: Fluorine-Fluorite
Secondary: Uranium
Location
State: Utah
County: Juab
District: Spor Mountain District
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Brush-Wellman
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Discovery Year: 1965
Years of Production:
Organization:
Significant: N
Deposit Size: L
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: R
Description: Deep Creek-Tintic District Mineral Belt, Utah Beryllium Belt
Type: L
Description: Ene-Striking High-Angle Faults. Beds Dip Gently To The Northwest
Alterations
Alteration Type: L
Alteration Text: Argillic Alteration And Silicification
Rocks
Name: Tuff
Role: Associated
Age Type: Associated Rock
Age Young: Miocene
Name: Tuff
Role: Associated
Age Type: Host Rock
Age Young: Miocene
Analytical Data
Analytical Data: ORE FORM THE DISTRICT GENERALLY CONTAINS GREATER THAN 0.28% BEO, WITH MINOR U (0.014%) AND F (2.7%).
Materials
Ore: Bertrandite
Gangue: Montmorillonite
Gangue: Opal
Gangue: Calcite
Gangue: Barite
Unknown: Fluorite
Comments
Comment (Workings): NO MINE WORKINGS. DEPOSIT EXPLORED BY DRILLING
Comment (Deposit): THIS IS PROBABLY THE LARGEST KNOWN DEPOSIT, WORLDWIDE, OF THIS DEPOSIT TYPE. REFERENCE FOR THIS DEPOSIT TYPE IS: LINDSEY, D.A., AND SHAWE, D.R., 1982, SPOR MOUNTAIN BE-F-U DEPOSITS, IN, ERICKSON, R.L., COMPILER, CHARACTERISTICS OF MINERAL DEPOSIT OCCURRENCES: U.S.GEOLOGICAL SURVEY OPEN-FILE REPORT 82-795, P.67-69. ; INFO.SRC : 1 PUB LIT; 5 PERS COMM
Comment (Reserve-Resource): THIS IS THE ESTIMATE OF THE RESERVES FOR ALL OF BRUSH-WELLMANS HOLDINGS IN THE SPOR MOUNTAIN DISTRICT. A QUARTER TO A THIRD OF THIS ORE IS CONTAINED IN THE MONITOR DEPOSIT.
Comment (Development): IN 1977, THIS DEPOSIT BELONGED TO THE ANACONDA COMPANY, BUT IT NOW BELONGS TO BRUSH-WELLMAN. NO MINING HAS BEEN DONE ON THIS DEPOSIT YET, BUT IT CONTAINS SOME OF THE LARGEST RESERVES IN THE DISTRICT.
Comment (Deposit): Discovery Year: 1960'S
Comment (Deposit): DEPOSIT IS A REPLACEMENT OF THE BERYLLIUM TUFF MEMBER OF THE SPOR MOUNTAIN FORMATION. BE TRANSPORTED IN HYDROTHERMAL SOLUTIONS AS A FLUORIDE COMPLEX AND DEPOSITED UPON PRECIPITATION OF FLUORITE REPLACING DOLOMITE IN THE TUFF.
References
Reference (Deposit): SHAWE, D.R., 1968, GEOLOGY OF THE SPOR MOUNTAIN BERYLLIUM DISTRICT, UTAH, IN, RIDGE, J.D., ED., ORE DEPOSITS OF THE UNITED STATES 1933-1967: THE GRATON SALES VOLUME: NEW YORK, A.I.M.E., VOL. 2, PT. 8, CHAPTER 55, P. 1149-1161.
Reference (Deposit): LINDSEY, D.A., 1977, EPITHERMAL BERYLLIUM DEPOSITS IN WATER-LAID TUFF, WESTERN UTAH: ECONOMIC GEOLOGY, V. 72, P. 219-232.
Reference (Deposit): STAATZ, M.H., 1963, GEOLOGY OF THE BERYLLIUM DEPOSITS IN THE THOMAS RANGE, JUAB COUNTY UTAH: U.S. GEOLOGICAL SURVEY BULLETIN 1142-M, 36 P.
Reference (Deposit): LINDSEY, D.A., 1979, GEOLOGIC MAP, AND CROSS-SECTIONS OF TERTIARY ROCKS IN THE THOMAS RANGE AND NORTHERN DRUM MOUNTAINS, JUAB COUNTY, UTAH: U.S. GEOLOGICAL SURVEY MISCELLANEOUS SERIES MAP I-1176, SCALE 1:62500.
Reference (Reserve-Resource): 1989 AMERICAN MINES HANDBOOK, PUBLISHED BY THE NORTHERN MINER PRESS, LTD.
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